Self-priming Pumps: 1,Factory price + stable perform 2,Size:1.5 inch - 4 inch 3,Flow:300 - 1600L/min 4,Max.suction head:8m Specifications for Self-priming PumpsMODEL ADP20 ADP30 ADP40 PUMPSuction/Discharge port 50(2") 80(3") 100(4")Max.capacity (L/m) 70010001600Max.head (m)283131Self-priming time (s/4m) 70120180Max.suction head (m)888ENGINEModelAD220FAD310FAD420Cont.Output (hp)4610Displacement ( ...